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Cheap flights from Ireland to London Heathrow Airport from €36

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to London Heathrow Airport departing on 19/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to London

Cheap return flights

These are some of the best return flight deals from Ireland to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ireland to London.

Cheap last-minute flights

Planning a quick getaway from Ireland to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals to London

Find recent round-trip train or bus tickets from Ireland to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
20:30 - 21:50DUB-LHR
1h 20mdirect
17:10 - 18:40LHR-DUB
1h 30mdirect
€103British Airways
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Thu, 9 Jan - Sun, 12 Jan
20:30 - 21:50DUB-LHR
1h 20mdirect
08:25 - 09:50LHR-DUB
1h 25mdirect
€104British Airways
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Thu, 5 Dec - Sun, 8 Dec
20:30 - 21:50DUB-LHR
1h 20mdirect
17:10 - 18:40LHR-DUB
1h 30mdirect
€105British Airways
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Thu, 9 Jan - Sun, 12 Jan
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
€108Aer Lingus
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Tue, 3 Dec - Wed, 11 Dec
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
€109Aer Lingus
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Thu, 5 Dec - Wed, 11 Dec
12:05 - 13:25DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
€110
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Sat, 1 Mar - Mon, 3 Mar
17:50 - 19:10DUB-LHR
1h 20mdirect
19:35 - 21:45LHR-DUB
26h 10m1 stop
€113
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Sat, 22 Mar - Sun, 23 Mar
13:25 - 19:15DUB-LHR
5h 50m1 stop
08:40 - 12:40LHR-DUB
4h 00m1 stop
€172KLM
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Wed, 4 Dec - Wed, 11 Dec
13:25 - 19:15DUB-LHR
5h 50m1 stop
10:00 - 16:40LHR-DUB
6h 40m1 stop
€173KLM
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Thu, 9 Jan - Mon, 13 Jan
16:40 - 21:25DUB-LHR
4h 45m1 stop
14:45 - 22:50LHR-DUB
8h 05m1 stop
€222Air France
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Sat, 30 Nov - Tue, 3 Dec
21:10 - 22:30DUB-LHR
1h 20mdirect
€36British Airways
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Sat, 19 Apr
08:40 - 10:15DUB-LHR
1h 35mdirect
€37British Airways
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Wed, 26 Feb
17:50 - 19:10DUB-LHR
1h 20mdirect
€38British Airways
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Mon, 6 Jan
20:00 - 21:20DUB-LHR
1h 20mdirect
€39British Airways
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Thu, 3 Apr
06:40 - 08:05DUB-LHR
1h 25mdirect
€53Aer Lingus
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Mon, 9 Dec
07:45 - 09:15SNN-LHR
1h 30mdirect
€53Aer Lingus
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Thu, 16 Jan
08:40 - 10:15DUB-LHR
1h 35mdirect
€61Qatar Airways
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Tue, 26 Nov
08:45 - 14:25DUB-LHR
5h 40m1 stop
€70Vueling
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Thu, 12 Dec
07:15 - 20:05DUB-LHR
12h 50m1 stop
Mon, 16 Dec
05:50 - 09:10DUB-LHR
27h 20m1 stop
Sun, 15 Dec
10:55 - 12:30DUB-LHR
1h 35mdirect
08:25 - 09:50LHR-DUB
1h 25mdirect
€111British Airways
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Tue, 19 Nov - Tue, 26 Nov
13:00 - 14:25DUB-LHR
1h 25mdirect
18:15 - 19:35LHR-DUB
1h 20mdirect
€112British Airways
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Mon, 18 Nov - Tue, 19 Nov
20:05 - 21:25SNN-LHR
1h 20mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
€126Aer Lingus
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Thu, 21 Nov - Mon, 25 Nov
04:25 - 12:40DUB-LHR
8h 15m1 stop
08:25 - 09:50LHR-DUB
1h 25mdirect
€185
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Thu, 21 Nov - Tue, 26 Nov
04:25 - 11:25DUB-LHR
7h 00m1 stop
07:50 - 09:10LHR-DUB
1h 20mdirect
€204
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Thu, 21 Nov - Sun, 24 Nov
18:40 - 11:15DUB-LHR
16h 35m1 stop
12:05 - 17:50LHR-DUB
5h 45m1 stop
€214SWISS
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Thu, 21 Nov - Thu, 28 Nov
18:40 - 08:05DUB-LHR
13h 25m1 stop
12:05 - 17:50LHR-DUB
5h 45m1 stop
€218SWISS
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Tue, 19 Nov - Tue, 26 Nov
15:30 - 16:50DUB-LHR
1h 20mdirect
15:10 - 16:35LHR-DUB
1h 25mdirect
€222Aer Lingus
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Thu, 21 Nov - Thu, 28 Nov
04:25 - 12:40DUB-LHR
8h 15m1 stop
13:40 - 23:20LHR-DUB
9h 40m1 stop
€263TAP AIR PORTUGAL
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Thu, 21 Nov - Sat, 23 Nov
04:25 - 12:40DUB-LHR
8h 15m1 stop
13:40 - 23:20LHR-DUB
9h 40m1 stop
€444TAP AIR PORTUGAL
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Wed, 20 Nov - Sat, 23 Nov
20:30 - 21:50DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
€65British Airways
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Thu, 6 Feb - Mon, 10 Feb
20:30 - 21:50DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
€70British Airways
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Thu, 9 Jan - Mon, 13 Jan
07:15 - 08:45DUB-LHR
1h 30mdirect
06:55 - 08:20LHR-DUB
1h 25mdirect
€79British Airways
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Mon, 5 May - Tue, 13 May
20:15 - 21:35DUB-LHR
1h 20mdirect
06:50 - 08:15LHR-DUB
1h 25mdirect
€81British Airways
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Wed, 23 Apr - Thu, 24 Apr
17:50 - 19:10DUB-LHR
1h 20mdirect
17:10 - 18:40LHR-DUB
1h 30mdirect
€83British Airways
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Sat, 22 Mar - Sun, 23 Mar
20:35 - 21:55DUB-LHR
1h 20mdirect
17:10 - 18:40LHR-DUB
1h 30mdirect
€92British Airways
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Fri, 31 Jan - Sun, 2 Feb
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
€102Aer Lingus
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Sat, 7 Dec - Thu, 12 Dec
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
€108Aer Lingus
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Tue, 3 Dec - Wed, 11 Dec
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
€109Aer Lingus
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Thu, 5 Dec - Wed, 11 Dec
12:05 - 13:25DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
€110
Find Deal
Sat, 1 Mar - Mon, 3 Mar

British Airways flights from Ireland to London Heathrow Airport

Our best British Airways deals on Ireland to London Heathrow Airport flight tickets
British Airways
9 Jan
DUB20:30Dublin
1h 20m
LHR21:50London Heathrow
12 Jan
LHR17:10London Heathrow
1h 30m
DUB18:40Dublin
British Airways
5 Dec
DUB20:30Dublin
1h 20m
LHR21:50London Heathrow
8 Dec
LHR08:25London Heathrow
1h 25m
DUB09:50Dublin
British Airways
9 Jan
DUB20:30Dublin
1h 20m
LHR21:50London Heathrow
12 Jan
LHR17:10London Heathrow
1h 30m
DUB18:40Dublin

Aer Lingus flights from Ireland to London Heathrow Airport

Our best Aer Lingus deals on Ireland to London Heathrow Airport flight tickets
Aer Lingus
3 Dec
NOC13:00Knock Intl
1h 30m
LHR14:30London Heathrow
11 Dec
LHR11:00London Heathrow
1h 30m
NOC12:30Knock Intl
Aer Lingus
5 Dec
NOC13:00Knock Intl
1h 30m
LHR14:30London Heathrow
11 Dec
LHR11:00London Heathrow
1h 30m
NOC12:30Knock Intl
Aer Lingus
2 Dec
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
4 Dec
LHR10:00London Heathrow
1h 30m
SNN11:30Shannon

How to get the cheapest flight ticket from Ireland to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies to London Heathrow Airport from Ireland?

Aer Lingus. Aer Lingus and British Airways are the most popular carriers operating from Ireland to London Heathrow Airport

How many flights depart from Ireland to London Heathrow Airport on average per day?

As of November 2024, there are 82 flights per week flying from Ireland to London Heathrow Airport. The most common time of day flights depart is 07:00, with 46% of flights taking off at midday.

Can stopping save me money on Ireland to London Heathrow Airport flights?

You could potentially save up to 95% on your flight if you consider stops on a Ireland to London Heathrow Airport flight.

Cheap Ireland to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to London Heathrow Airport

Best price found

€36

Fastest flight time

1h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Ireland in the past 72 hours is €36. The best return flight deal from Ireland to London Heathrow Airport found on momondo in the last 72 hours is €103.
The fastest flight from Ireland to London Heathrow Airport takes 1h 15m
Direct flights go from Ireland to London Heathrow Airport every day.

  • When did momondo last update prices for flights from Ireland to London Heathrow Airport?

    Prices for flights from Ireland to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Ireland to London Heathrow Airport?

  • How old do you have to be to fly from Ireland to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Ireland to London Heathrow Airport?


Best airlines flying from Ireland to London Heathrow Airport

Compare and see reviews for airlines that fly from Ireland to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €66Free CancellationRating
6.6
6,836 reviews
Search British Airways flights
Aer LingusPriceFrom €94Free CancellationRating
7.1
1,086 reviews
Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to London with flexible booking policies on momondo?

Yes. All flights to London from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to London.

I’m not ready to book a flight from Ireland to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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